Warning: mysqli_num_rows() expects parameter 1 to be mysqli_result, boolean given in

[andrinson]

prueba haci :

$user = $_POST['nom'];
$pass = $_POST['pas1'];
$contra = md5($pass);
$conexion = mysqli_connect("localhost","root","") or die("Error al conectar");
mysqli_select_db($conexion,"nombre_de_la_base_de_d atos");

$result = mysqli_query($conexion, "SELECT `id` FROM `wisher` WHERE `usuario` = '".$user."' AND `password` = '".$pass."'");

$ejecutar_consulta=mysqli_query($conexion,$result) ;

if($ejecutar_consulta){
if(mysqli_num_rows($ejecutar_consulta) > 0) {
echo "Logueado";
}
else {
echo "Error al Loguear";
}
}else{
echo "Problemas en la query:" . mysqli_error($conexion);
}
mysqli_close($conexion);